4.0
Earthquake Details: off the coast of Costa Rica
Oct 4, 2026, 00:06:48
A magnitude 4.0 earthquake occurred near off the coast of Costa Rica on Oct 4, 2026 at 00:06:48. The seismic event was recorded at a depth of -1 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-1 km
Significance0
Latitude7.8371
Longitude-83.1487
Event IDemsc:20261004_0000003
Magnitude4.0
Updated:Oct 4, 2026, 01:15:14 UTC
External Resources
View on EMSC Official SiteLoading map...
Time & depth
- Local time
- Oct 3, 2026, 19:06:48 EST
- UTC
- Oct 4, 2026, 00:06:48 UTC
-1 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 9
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Oct 4, 2026, 01:15 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.